Scientists said the critically-endangered species had previously only been found in rivers and know pearl mussels have been discovered in the Scotland Lochs.
New aerial footage appears to show thousands of dead fish at Lake Pamamaroo in the Menindee Lakes System, near Broken Hill, nine months after a mass fish kill event on the nearby banks of the Darling River.
Cambodian authorities reported two cases of avian flu, including an 11-year-old girl who died of the virus, the UN health agency said on Sunday.
Highly pathogenic avian influenza (HPAI) A(H5N1) is a strain of the avian influenza virus that primarily affects birds, particularly poultry. It has been detected in farmed mink.
Residents in northeastern B.C. got quite the surprise over the weekend in the form of a large snowfall. While it's not entirely uncommon for towns in higher elevations to receive snow in August, getting a big dump is very unusual, said CBC meteorologist Brett Soderholm.
The word for it here is Schneemangel or snow shortage. There's a phrase for when the snow is plentiful too - das weisse Gold - white gold. It's a reflection of how many alpine communities depend on winter sports for their livelihoods. World Cup skiers will race on artificial snow this Saturday as the Alps see record high temperatures.
Visitors advised not to swim in lake and keep dogs on leash
Temperatures pass 39C in Belgium and the Netherlands, as a Eurostar train breaks down in the heat.
Weather watchers are focused on the world's most northerly community, which is in the middle of a record-breaking heat wave.
In Sanikiluaq, the suspected case was discovered in a thick-billed murre, which is a large seabird, on Coats Island. In Cambridge Bay, one was detected in a herring gull. It has been detected in birds in all 10 provinces and the Yukon so far.
Chennai's severe water shortage has forced restaurants to shut and the city to scramble for solutions.
It is believed that the area was once-fertile land and a township stretching for 20 miles.
Police confirm no further polar bear sightings in Kuujjuaq following the shooting of a young bear in the town center, with ongoing vigilance for potential wildlife threats.
The whooper swan, which calls Europe and Asia home, first made headlines last year when it stopped among the flock of local trumpeter and tundra swans that seasonally eat and rest in the Yukon. Avid birders wondered how it managed to fly so far off-course from its usual migration routes. Some birders believe the same swan has made a second visit.
Each of the latest escarpment slides over the weekend were larger than the initial slide on April 30
The sardines and some mackerel washed ashore in Hakodate on Japan’s northernmost main island of Hokkaido on Thursday morning, creating a sliver blanket along a stretch of beach about a kilometer (0.6 mile) long. Takashi Fujioka, a Hakodate Fisheries Research Institute said the fish may have been chased by larger fish, become exhausted due to a lack of oxygen while moving in a densely packed school, and were washed up by the waves.
A power cut at Edinburgh Waverley station adds to rail disruption caused by Storm Ciaran in Scotland, with speed restrictions and cancellations in place on various routes.
Southern Brazil is grappling with severe flooding, with further storms and heavy rains forecasted, causing widespread displacement and damage.
At least 11 people were killed across Italy as a result of severe storms, authorities say.
In what the local weather agency said was some of the worst flash floods the Aude river has seen in more than a century, the heavy rainfall brought the equivalent of up to seven months' rain fell in just a few hours.
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